211143104 has 28 divisors (see below), whose sum is σ = 419810184. Its totient is φ = 105364224.

The previous prime is 211143089. The next prime is 211143109. The reversal of 211143104 is 401341112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211143109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32687 + ... + 38609.

Almost surely, 2^211143104 is an apocalyptic number.

It is an amenable number.

211143104 is a deficient number, since it is larger than the sum of its proper divisors (208667080).

211143104 is an equidigital number, since it uses as much as digits as its factorization.

211143104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6492 (or 6482 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 211143104 is about 14530.7640542402. The cubic root of 211143104 is about 595.4687396863.

Adding to 211143104 its reverse (401341112), we get a palindrome (612484216).

The spelling of 211143104 in words is "two hundred eleven million, one hundred forty-three thousand, one hundred four".